Table 1. Selection of anthropometric, temporal and kinematic variables investigated. Flexion is positive, extension negative.
Parameter name Variable Measure Comments
Impact Velocity IV m·s-1 Euclidean norm of velocity vector of the ankle marker (lateral malleolus) at impact
Thigh Length TL m -
Shank Length SL m -
Body Mass BM kg -
Pelvic Tilt Velocity Minimum Timing TVPmin % duration from take-off to instant of occurrence (time normalized)
Hip Flexion Velocity Maximum Timing TVHmax % duration from take-off to instant of occurrence (time normalized)
Knee Flexion Velocity Minimum Timing TVKmin % duration from take-off to instant of occurrence (time normalized)
Pelvic Tilt Velocity Maximum Timing TVPmax % duration from take-off to instant of occurrence (time normalized)
Hip Flexion Velocity Minimum Timing TVHmin % duration from take-off to instant of occurrence (time normalized)
Knee Flexion Velocity Maximum Timing TVKmax % duration from take-off to instant of occurrence (time normalized)
Pelvic Tilt Angle APT ° joint angle difference between minimum and at impact
Hip Flexion Angle AHF ° joint angle difference between maximum and at impact
Knee Flexion Angle AKF ° joint angle difference between minimum and at impact
Pelvic Tilt Velocity VPT °·s-1 segment angular velocity at impact
Hip Flexion Velocity VHF °·s-1 joint angular velocity at impact
Knee Flexion Velocity VKF °·s-1 joint angular velocity at impact